Heritage Series - Centrifugal Fans for Hazardous Locations – CHD638Ex
Performance Curve - CHD638Ex
Description
The Heritage Series of roof units has been designed to permit easy access for cleaning. They can handle clean air, grease laden air or toxic gases.
Construction
Galvanised sheet steel housing, with spun aluminium inlet cone, modern flanged connections and backward-curved centrifugal impellers.
Motors complying with Ex'd', or Ex'e', Ex'n' or DIP S tandards can be fitted.
Suitable for three-phase supply.
Motors
Type - standard squirrel cage motors
Electricity supply - single or three-phase to suit a wide range of voltages and frequencies.
Bearings - sealed-for-life, ball.
Speed-controllable using inverters.
Explosion-proof motors for three-phase supply can be fitted to all selections.
Internal Thermal Protection
Thermistors can be supplied on request.
Testing
Air flow data based on tests to BS848:Part 1, 1980.
Noise data based on tests to BS848:Part 2, 1985.
Suggested Specification
The Heritage Series of centrifugal roof ventilators shall be as designed and manufactured by Fantech Pty. Ltd.
Impellers shall be backward-curved centrifugal design and driven by standard motors.
The cowl shall be of pressed galvanised steel and powder-coated after manufacture.
The windband shall incorporate quick-release catches to provide easy access for cleaning and maintenance.
All data shall be based on fans fully tested to BS848:Part 1, 1980 for air flow and BS848:Part 2, 1985 for noise, in fully certified laboratories.
Technical Data - CHD638Ex
| Speed [rps] | Avg. dBA @ 3m | kWatts (Input) | Amps | Max.°C | Approx. Weight [kg] |
|---|
| 12 | 49 | 0.55 | 2.1 | 40 | 74 |
| Type | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
|---|
| Inlet | 79 | 78 | 74 | 65 | 65 | 60 | 61 | 57 |
Dimensions
*All dimensions in mm, unless otherwise stated
Wiring Diagram
Diagram shown is for single-speed only.
For 2-speed and special motors, contact Fantech for details.
Ancillaries
CBD-E
Backdraft Shutters
PC-HER63
Painting
